#include <Arduino.h>

// put function declarations here:
int data_pin = A0;

void setup() {
  // put your setup code here, to run once:
  pinMode(data_pin,INPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  int data_val = analogRead(data_pin);
  Serial.print("data:");
  Serial.println(data_val);
}

// put function definitions here: